function setup()
	print("start")
	touched = false
    myFrameCount = 0 --光标计数
    textFieldX = 100
    textFieldY = 600
    textFieldWidth = 300
    textFieldHeight = 30
end

function draw()
	myFrameCount = myFrameCount +1
	if (touchedInTextField(CurrentTouch.x,CurrentTouch.y)) then -- 判断是否点击到textField上
    	touched = true
    else
    	touched = false
    end
    background(255)
    stroke(200)
    strokeWidth(2)
    if touched then
    	fill(255)
    	rect(textFieldX,textFieldY,textFieldWidth,textFieldHeight)
        -- 获取键盘输入内容
        buffer = keyboardBuffer()
        pushStyle()
        textMode(CORNER)
        fill(0)
        text(buffer,textFieldX+3,textFieldY+4)
        popStyle()
        bufferLength = textSize(buffer)
        if(myFrameCount < 10) then
        	pushStyle()
        	stroke(0)
        	strokeWidth(2)
        	fill(0)
        	line(textFieldX+3+bufferLength,textFieldY+3,textFieldX+3+bufferLength,textFieldY+27)
        	popStyle()
        else
        	if (myFrameCount >30) then
        		myFrameCount = 0
        	end
        end
        showKeyboard()
    else
    	fill(230)
    	rect(textFieldX,textFieldY,textFieldWidth,textFieldHeight)
    	hideKeyboard()
    end
end
function touchedInTextField(x,y)
	if (x<textFieldX) then return false end
	if (x>textFieldX+textFieldWidth) then return false end
	if (y<textFieldY) then return false end
	if (y>textFieldY+textFieldHeight) then return false end
	return true
end